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authorPaul Mackerras <paulus@samba.org>2007-04-13 03:50:03 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-13 03:50:03 +1000
commite049d1ca3094f3d1d94617f456a9961202f96e3a (patch)
treea30397ad22f2fbea268bd28fa69c60aad9dfa62a /drivers/acpi/events/evxface.c
parentedfac96a92b88d3b0b53e3f8231b74beee9ecd1d (diff)
parent80584ff3b99c36ead7e130e453b3a48b18072d18 (diff)
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'drivers/acpi/events/evxface.c')
-rw-r--r--drivers/acpi/events/evxface.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 685a103a358..a3379bafa67 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -768,9 +768,11 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
return (AE_BAD_PARAMETER);
}
- /* Must lock interpreter to prevent race conditions */
+ status = acpi_ex_enter_interpreter();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
- acpi_ex_enter_interpreter();
status = acpi_ev_acquire_global_lock(timeout);
acpi_ex_exit_interpreter();